I had the same problem and used this snipped in my Emacs' config (you'll need to fine-tune the colours to meet your taste, though): 

(eval-after-load 'cperl-mode
  '(progn

;;-- @LanX - not related to your question, but perhaps useful?
;;     (define-key cperl-mode-map (kbd "RET")   'reindent-then-newline
+-and-indent)
;;     (define-key cperl-mode-map (kbd "C-M-h") 'backward-kill-word)
;;     (define-key 'help-command "P" 'cperl-perldoc-at-point)


     ;; experiment: ;; (setq cperl-dark-background "gray14")

     (set-face-attribute 'cperl-array-face nil
                         :foreground  "#ffff88"              ;; "yello
+w3"  "#ffff88"
                         :background  'unspecified
                         :weight      'normal
                         :slant       'normal
                         )
     (set-face-attribute 'cperl-hash-face nil
                         :foreground  "#e08020"              ;; "DarkO
+range3"  "#e080202
                         :background  'unspecified
                         :weight      'normal
                         :slant       'normal
                         )
     ))

[download]

The snipped above is an excerpt from my $HOME/.emacs.d/config/210-setup-cperl.el file that is part of my private Emacs configuration git repository.

It is based on the fine stuff, I've found here: https://github.com/targzeta/emacs-modular-configuration and here: http://whattheemacsd.com

In reply to Re: Adjusting emacs color themes for cperl-mode by Perlbotics
in thread Adjusting emacs color themes for cperl-mode by LanX

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